| Summerlin South to Castelletto sopra Ticino | 5,794.16 mi (9,324.80 km) |
| Summerlin South to Castelli Calepio | 5,839.31 mi (9,397.47 km) |
| Summerlin South to Castelnovo ne' Monti | 5,917.71 mi (9,523.63 km) |
| Summerlin South to Castelnuovo Berardenga | 6,010.44 mi (9,672.87 km) |
| Summerlin South to Castelnuovo di Porto | 6,107.18 mi (9,828.55 km) |
| Summerlin South to Castelnuovo di Verona | 5,877.35 mi (9,458.68 km) |
| Summerlin South to Castelnuovo Rangone | 5,928.84 mi (9,541.55 km) |
| Summerlin South to Castelvetrano | 6,354.13 mi (10,225.99 km) |
| Summerlin South to Castelvetro di Modena | 5,932.00 mi (9,546.62 km) |
| Summerlin South to Castenaso | 5,948.18 mi (9,572.66 km) |
| Summerlin South to Castenedolo | 5,860.45 mi (9,431.48 km) |
| Summerlin South to Castiglion Fiorentino | 6,024.07 mi (9,694.81 km) |
| Summerlin South to Castiglione del Lago | 6,039.11 mi (9,719.00 km) |
| Summerlin South to Castiglione delle Stiviere | 5,870.60 mi (9,447.81 km) |
| Summerlin South to Castrolibero | 6,380.00 mi (10,267.62 km) |
